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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
02 Aug 1997 01:13:32 yearsecs  18407612
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.17   52.75  -70.80   12.27
    1.00  -65.43   67.75  -67.03   28.60
    2.00  -66.35   82.75  -64.18   43.85
    3.00  -67.27   97.75  -61.58   57.52
    4.00  -66.94  112.75  -58.14   68.24
    5.00  -67.68  127.75  -56.37   79.46
    6.00  -67.63  142.75  -54.45   89.37
    7.00  -67.69  157.75  -53.20   99.25
    8.00  -68.51  172.75  -53.19  109.32
    9.00  -68.53  187.75  -52.86  118.90
   10.00  -68.23  202.75  -52.77  128.42
   11.00  -68.04  217.75  -53.40  138.03
   12.00  -68.08  232.75  -54.78  147.71
   13.00  -68.33  247.75  -56.79  157.40
   14.00  -68.82  262.75  -59.37  166.95
   15.00  -69.52  277.75  -62.51  176.14
   16.00  -70.32  292.75  -66.12  184.93
   17.00  -70.85  307.75  -69.88  194.12
   18.00  -70.81  322.75  -73.50  205.42
   19.00  -70.24  337.75  -76.89  221.12
   20.00  -69.33  352.75  -79.84  244.95
   21.00  -68.44    7.75  -81.61  281.66
   22.00  -67.65   22.75  -80.56  324.62
   23.00  -66.21   37.75  -76.00  353.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.17   52.75  -76.09   25.15
    1.00  -71.23   67.75  -72.87   42.64
    2.00  -72.10   82.75  -69.72   56.14
    3.00  -77.10   97.75  -70.34   77.45
    4.00  -79.10  112.75  -69.32   88.47
    5.00  -79.66  127.75  -67.82   95.36
    6.00  -79.04  142.75  -65.72  100.44
    7.00  -78.29  157.75  -63.84  106.24
    8.00  -78.60  172.75  -63.40  113.33
    9.00  -78.51  187.75  -62.97  120.21
   10.00  -78.55  202.75  -63.11  127.16
   11.00  -78.45  217.75  -63.53  134.13
   12.00  -78.65  232.75  -64.67  140.87
   13.00  -78.44  247.75  -65.82  147.89
   14.00  -78.35  262.75  -67.46  154.72
   15.00  -78.11  277.75  -69.37  161.70
   16.00  -78.14  292.75  -71.81  167.83
   17.00  -77.84  307.75  -74.39  174.52
   18.00  -78.51  322.75  -77.61  176.43
   19.00  -78.39  337.75  -80.67  179.56
   20.00  -77.41  352.75  -83.96  186.82
   21.00  -75.43    7.75  -87.69  219.98
   22.00  -72.94   22.75  -86.24  341.20
   23.00  -71.21   37.75  -81.20    9.38
</PRE>


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